What is "thera"

Thera is a Greek island, also known as Santorini.

Thera may also refer to:

• One of the ancient names of the city of Gümüşhane, Turkey
• Fira, the main municipality of Santorini
• Thero or "Thera", an honorific term for fully ordained Buddhist monks
• Theran Empire, a fictional empire with its capital on Thera, in Earthdawn
• Thira (film), a 2013 Malayalam thriller film
• Thera (moth), a genus of moth

Thera is a genus of moth of the family Geometridae.